Finding the Third Proportional to 140,870 and 206,994

Step by Step Solution

1. Step 1: Write the proportion equation
   140,870 : 206,994 = 206,994 : x
2. Step 2: Convert to fraction form
   140,870/206,994 = 206,994/x
3. Step 3: Cross multiply
   140,870x = 206,994 × 206,994
4. Step 4: Simplify right side
   140,870x = 42,846,516,036
5. Step 5: Solve for x
   x = 42,846,516,036/140,870
6. Step 6: Final answer
   x = 304,156.43